for the first time in a long time, the first time since the ronald reagan second inaugurati inauguration, it will all be a formality. law requires presidents and vice presidents be sworn in on the 20th. today the 20th, they were in two quiet ceremonies. >> please raise your right hand and repeat after me. i, barack hussein obama, do solemnly swear that i will faithfully execute the office of president of the united states, and will to be best of my ability preserve, protect and defend the constitution of the united states so help me god. >> congress gratulations, mr. president. >> thank you chief justice. >> last time the chief justice fumbled the words, this time he nailed it. president obama using a family bible today. tomorrow he'll use the lincoln bible. a lot to talk about tonight, vice president biden took the oath earlier, his residence the naval observatory. sonia sotomayor doing the honors there. yesterday during a surprise appearance at the iowa inaugural ball the vice president did -- well, sort of a joe biden. >> i'm proud to be president of the united states. but i'm prouder